Zoretich Senior Manager, Product Stewardship Phone: 440.930.1291 Fax: 440.930.3034 www.polyone.com brian.zoretich@polyone.com PolyOne Corporation is a global leader in innovative polymer materials, services and solutions. 33587 Walker Road, Avon Lake, Ohio USA 44012 April 2014 Dear Valued Customer, As part of PolyOne’s commitment to offer our customers the most value in a competitive global marketplace, we are making changes to our Material Safety Data Sheets (MSDSs) in order to meet the coming requirements of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). PolyOne manages the implementation of GHS so as to accurately reflect the properties of our products, and while we do not anticipate wholesale changes to the documents that accompany our solutions because of the change, we do believe some changes will be evident. Pettegrew Senior Manager – Product Stewardship Director EH&S - Product Stewardship

Avient respects the dignity of individuals and recognizes that protection of basic human rights is fundamental to the way we manage our business, and we require our suppliers to do the same. Avient utilizes the OECD Due Diligence Guidance for Responsible Mineral Supply Chains for conflict mineral management. Our suppliers and partners understand that our relationship is based on an expectation of compliance with applicable laws and regulations and adherence to internationally recognized environmental, social, corporate governance and management systems standards.

Berätta om dina bekymmer öppet och ärligt med din manager. Avient håller alla managers redovisningsskyldiga för detta uppförande och ledarskap. De är också ansvariga för att göra alla nödvändiga offentliggöranden i enlighet med ”generally accepted accounting principles” – allmänt accepterade bokföringsprinciper – i USA och i andra länder.

You can rely on our Asia-Pacific experts to find advanced solutions that will help you manage heat generation without sacrificing performance. You can rely on our Asia-Pacific experts to find advanced solutions that will help you manage heat generation without sacrificing performance.

Supplier Quality Management is at the core of Avient’s success. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 1.0 Organizational Context 1.1 Purpose The purpose of this Supplier Quality Manual (SQM) is to define the requirements Avient requires its supply base to follow and implement within their own Quality Management System (QMS), if not currently present. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 3.0 Supplier Management 3.1 Supplier Quality Management System Avient expects its supply base to maintain a certified QMS at all of its locations and those of its affiliated companies in accordance with the requirements of ISO 9001, ISO 13485, or IATF 16949 (depending on supplier commodity), as applicable.

AVIENT CORPORATION GROUP’S PUBLICATION OF UK TAX STRATEGY Introduction This document summarizes Avient Corporation and its worldwide affiliates’ (together “The Avient Group”) policy and approach to conducting United Kingdom (“UK”) tax affairs and managing tax risk. Approach of the Avient Group to governance and risk management of UK tax matters The Avient Group establishes internal financial policies requiring UK businesses to comply with all applicable UK tax laws and deploys an internal review process to ensure this policy is followed timely and accurately.

TEL:+31102922689. assurance. dnvgl.com C ertificate N o: 7 0 7 1-1998-AQ -RGC-RvA I nitial c ertification date: 2 8 A pril, 1 9 98 V alid: 2 9 M arch, 2 0 18 - 2 9 M arch, 2 0 21 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, Pudong, Shanghai, China, 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: ISO 9001:2015/GB/T 19001-2016 This certificate is valid for the following scope: Design and Manufacture of Masterbatch C ertificate N o: 7 071-1998-AQ-RGC-RvA P lac e and date: Shanghai, 3 0 M arch, 2 0 18 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

120,000 BOARD MEMBER, MANAGING DIRECTOR 660613-3954 Nilsson, Bo Patrik Joakim, Hovslagaregatan 13, 271 57 YSTAD BOARD MEMBER, CHAIR OF THE BOARD 640503 Merklein, Norbert, Fichtenstrasse 20, 61476 KRONBERG IM TAUNUS, TYSKLAND BOARD MEMBERS 750618-4089 Norén, Jenny Eva Kristina, Fårabäcksvägen 68, 212 91 MALMÖ 610322 Smeds, Jan-Håkan, Chämiweg 23, NEFTENBACH, TYSKLAND AUDITORS 556029-6740 Öhrlings PricewaterhouseCoopers AB, Box 4009, 203 11 MALMÖ Represented by: 710921-4689 PRINCIPALLY RESPONSIBLE AUDITOR 710921-4689 Olsson, Karin Maria, c/o PwC, 405 32 GÖTEBORG SIGNATORY POWER e-Certificate of registration Swedish Companies Registration Office LIMITED COMPANY D1a- 6064988 Registration number Date of registration of the company Document created on Date of registration of current name Page 556393-1020 1990-04-10 2020-11-30 14:53 2020-11-30 2 (2) The board of directors is entitled to sign. Signatory power by any two jointly of the board members Furthermore, the Managing Director, in the course of normal business activities, is also entitled to sign.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Management believes this provides comparability of the performance of the combined businesses.

Microsoft Word - 55324 Letter of Conformity RCMS Option 2 .docx ABS Quality Evaluations Letter Of Conformity This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 2400 East Devon Elk Grove, IL 60007 U.S.A. WITH ADDITIONAL FACILITIES LISTED ON THE ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Design and Manufacture of Colorants for Plastics Certificate No: 55324 Effective Date 21 December 2017 ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A.